netlink: 'syz-executor.0': attribute type 1 has an invalid length. tls_set_device_offload_rx: netdev sit0 with no TLS offload device batadv1123 entered promiscuous mode 8021q: adding VLAN 0 to HW filter on device batadv1123 watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.1:12506] Modules linked in: irq event stamp: 4382923 hardirqs last enabled at (4382922): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (4382922): [] _raw_spin_unlock_irqrestore+0x79/0xe0 kernel/locking/spinlock.c:184 hardirqs last disabled at (4382923): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (11484): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (11484): [] __release_sock+0xd0/0x3a0 net/core/sock.c:2355 softirqs last disabled at (11521): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (11521): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 12506 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xa3/0xe0 kernel/locking/spinlock.c:184 Code: 48 c7 c0 88 82 f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 2f 48 83 3d 7c 31 d8 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb b2 e8 fb eb e6 f8 eb c0 0f 0b 0f 0b 48 c7 c7 88 RSP: 0018:ffff8880ba007c28 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: 0000000000000286 RCX: 1ffff1104619999a RDX: dffffc0000000000 RSI: ffff888230ccccb0 RDI: 0000000000000286 RBP: ffff8880ba022b40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000022b40 R14: 0000000000000000 R15: ffff8880ba022b40 FS: 00007f9e966b2700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020004000 CR3: 0000000218f56000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: __mod_timer kernel/time/timer.c:1071 [inline] mod_timer+0x4ea/0x1010 kernel/time/timer.c:1114 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1696 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:149 [inline] RIP: 0010:unwind_next_frame+0x24a/0x1400 arch/x86/kernel/unwind_orc.c:422 Code: 8d 43 ff 39 c6 0f 83 06 0e 00 00 48 b8 00 00 00 00 00 fc ff df 89 f2 48 8d 3c 95 bc 91 17 8c 48 89 f9 48 c1 e9 03 0f b6 0c 01 <48> 89 f8 83 e0 07 83 c0 03 38 c8 7c 27 84 c9 74 23 48 89 54 24 30 RSP: 0018:ffff8881fdb87160 EFLAGS: 00000a03 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 1ffff1103fb70e35 RCX: 0000000000000000 RDX: 000000000005dd94 RSI: 000000000005dd94 RDI: ffffffff8c2f080c RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001 R10: ffff8881fdb872ef R11: 0000000000074071 R12: ffff8881fdb872d8 R13: ffff8881fdb872c5 R14: ffff8881fdb87290 R15: ffffffff86dd944c __save_stack_trace+0x9f/0x190 arch/x86/kernel/stacktrace.c:44 save_stack mm/kasan/kasan.c:448 [inline] set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:553 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc_node mm/slab.c:3340 [inline] kmem_cache_alloc_node+0x133/0x3b0 mm/slab.c:3647 __alloc_skb+0x71/0x560 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:995 [inline] __tcp_send_ack.part.0+0x66/0x5c0 net/ipv4/tcp_output.c:3622 __tcp_send_ack net/ipv4/tcp_output.c:3649 [inline] tcp_send_ack+0x7d/0xa0 net/ipv4/tcp_output.c:3649 __tcp_ack_snd_check+0x152/0x890 net/ipv4/tcp_input.c:5213 tcp_ack_snd_check net/ipv4/tcp_input.c:5259 [inline] tcp_rcv_established+0x96d/0x1ef0 net/ipv4/tcp_input.c:5682 tcp_v4_do_rcv+0x5d6/0x870 net/ipv4/tcp_ipv4.c:1547 sk_backlog_rcv include/net/sock.h:952 [inline] __release_sock+0x134/0x3a0 net/core/sock.c:2362 release_sock+0x54/0x1b0 net/core/sock.c:2901 sk_wait_data+0x15c/0x420 net/core/sock.c:2404 tcp_recvmsg+0xeb6/0x2a90 net/ipv4/tcp.c:2091 inet_recvmsg+0x124/0x5c0 net/ipv4/af_inet.c:830 sock_recvmsg_nosec net/socket.c:859 [inline] sock_recvmsg net/socket.c:866 [inline] sock_recvmsg+0xca/0x110 net/socket.c:862 ___sys_recvmsg+0x255/0x570 net/socket.c:2389 __sys_recvmsg net/socket.c:2438 [inline] __do_sys_recvmsg net/socket.c:2448 [inline] __se_sys_recvmsg net/socket.c:2445 [inline] __x64_sys_recvmsg+0x12f/0x220 net/socket.c:2445 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9e97d3d279 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9e966b2168 EFLAGS: 00000246 ORIG_RAX: 000000000000002f RAX: ffffffffffffffda RBX: 00007f9e97e4ff80 RCX: 00007f9e97d3d279 RDX: 0000000000000100 RSI: 0000000020000240 RDI: 0000000000000005 RBP: 00007f9e97d97189 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff2512db9f R14: 00007f9e966b2300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 26273 Comm: kworker/u4:1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Workqueue: bat_events batadv_nc_worker RIP: 0010:__lock_release kernel/locking/lockdep.c:3714 [inline] RIP: 0010:lock_release+0x398/0x8b0 kernel/locking/lockdep.c:3927 Code: 44 89 fe 4c 89 f7 e8 67 ea ff ff 85 c0 75 35 48 b8 00 00 00 00 00 fc ff df 48 89 da 83 e3 07 48 c1 ea 03 83 c3 03 0f b6 04 02 <38> c3 7c 08 84 c0 0f 85 d3 02 00 00 8b 15 c6 e9 d8 0b 85 d2 0f 84 RSP: 0018:ffff8882310ffb90 EFLAGS: 00000006 RAX: 0000000000000004 RBX: 0000000000000003 RCX: 1ffff110020b01eb RDX: 1ffffffff1a486ec RSI: 0000000000000003 RDI: ffff888010580680 RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff1104621ff75 R13: 12e9d792f53784f9 R14: ffff888010580680 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556d97848 CR3: 000000009f40e000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_lock_release include/linux/rcupdate.h:247 [inline] rcu_read_unlock include/linux/rcupdate.h:681 [inline] batadv_nc_process_nc_paths.part.0+0x285/0x3d0 net/batman-adv/network-coding.c:710 batadv_nc_process_nc_paths net/batman-adv/network-coding.c:690 [inline] batadv_nc_worker+0xa59/0xd50 net/batman-adv/network-coding.c:746 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415